Headset



FIG. 1 is a top, front and side perspective view of a headset showing our new design;

FIG. 2 is a front elevational view thereof shown in an expanded position, the rear being identical;

FIG. 3 is a side elevational view thereof, the opposite side being identical;

FIG. 4 is a top plan view thereof, shown in an expanded position; and

FIG. 5 is a bottom plan view thereof, shown in an expanded position. 

The ornamental design for a headset, as shown and described. 